What was found
AIRCRAFT WAS NOT GROUNDED: MID LAVATORY SMOKE ALARM RANDOMLY CHIRPS. MAINTENANCE ACCOMPLISHED A SATSFACTORY OPERATIONAL CHECK OF THE LAVATORY SMOKE DETECTION SYSTEM PER AMM 26-17-00 WITH NO CHIRPS NOTED.
- Difficulty date
- August 1, 2025
- Submitted
- August 1, 2025
- Operation
- Air carrier
- Aircraft
- N543UW
- Make and model
- Airbus A321231
- Aircraft serial
- 4843
- Aircraft time
- 42,551 hours, 17,516 cycles
- System (JASC)
- 2611 · Smoke Detection
- Part
- Smoke Detector
- Condition
- False Activation
- Location
- Zone 900
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.